Improved tuyere



waited tttrf' @patent (dimite. S-MUEL- EPLE'Y', O-FMGGRAWSVLLE, IND-IANA.,

Leners Patent No. 96,214, dated october 26,1869;

- l IMPROVE!) TUYERE.

parl: of the same.

The Schedule referred to in these Letters Patent and making opening of he hearth-plate, its ila-nge c resting on the upper end of 'the cylinder B`,.and its body extending down in it, lto within a short distance ofv the annular chamber d, of the blast-pipe. This ring is the bed of the lire.

At c,.it has an enlargement, which closes the opening in the side of the cylinder, and fits nicely over the channels d and d3, of the blast-pipe.

D and D represent the upper andlower halves of the blast-pipe, which are secured together air-tight. Its rectangular chamber d is secured to theunder side of the hearth-plate, while its annular' chamber, c l, is in the hollow cylinder, directly under the lower end of the ring C. f

At d, the blast enters the rectangular chamber al,- from which it is distributed in two channels, d2 and d, to the annular chamber (1*, from the upper side of which itescapes into the fire.

The annular chamber has the shape of a ring, and its opening is of the saine diameter as that ot' the flanged ring C.

E represents a damper, which is hinged in the rectangular chamber d, and by which one of the channels leading to the annular chamber may be closed, when only alight blast is required.

Having thus` described my invent-ion,

What I claimand desire to'secure by Letters Patent, is l 1. 'lhe construction of the air-passage D D', bav- To all whom it may concern Be it known that I, SAMUEL EPLEY, of McGrawslle, in the county of Miami, and State of Indiana, have invented a new and useful Improvement in Tuyere-Irons; and I do hereby declare that the following s a full, clear, 4and exact description thereof, le reference being had to the l accompanying drawings,

and to the letters of reference marked thereon.

Figure 1 represents an elevation of the tuyere",

Figure 2, a vertical section of the same;

Figure 3, a plan view of the lower half of the blastpipe;

Figure 4, a section taken in line x a: of fig. 1,show ing the two channels of the blastpipe; and

Figure 5, a view of the damper.

Like letters denote like parts in the several figures of the drawings.

My invention consists in improvements in tuyereirons for forges, the several parts of which will be described more fully hereinafter.

To enable those skilled in the art'to make and use my invention, I willy proceed to describe its construction and operation.

A represents the hearth-plate, which has a circular hole to receive the cylinder B, and flanged ring C. Around this hole, on the under side of the plate, is a rim, a, in which the end of the cylinder is nicely'fitted.

Seine distance from this yrim are two ribs, a c', against which the upper section of the chamber-d', of vthe blast-pipe, is held.

B represents a hollow cylinder, the upper end of which fit-s nicely in the opening of the hearth-plate,

to the under side of which it is secured, by means o the-flange b. 1t has an opening in one side, for the admission of the blast-pipe. f

B' represents a circular plate or cover, with a handle, b1. It is suspended from the hearth-plate by the standard b2, on which it revolves. Its upper side is flush with the lower end of the cylinder B, and it is stantially as and for the purpose set forth.

2. The arrangement of the flanged ring C, and an'- nular air-passage d, with reference to the cylinder B,

substantially as shown `and described.- In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses. I

SAMUEL hliminer ma: n

turned under the latter, closing it when the forge is Witnesses: in operation. MARTIN RANCH,

Jenn BOND.

v(I) represents a flanged ring, whichis inserted in the ing the tubes d and d, and annular passage d4, sub- 

